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Oven Fan Does Not Work

If your oven fan does not work Check the Following

Fan
First you will need to access the fan wiring. To do this you will probally need to remove the back panel. This usually give you access to the fan assembly. Remove the wire connector and check the motor with an ohmeter. You will need to refer to the tech sheet or service manual for the proper reading. Check the terminals to the housing for shorts if you have continuity from the terminals to the housing the motor is shorted and needs to be replaced. Next you can check to see if the motor is getting power, to do this connect voltmeter to wire connecter to fan. The fan can be activated manualy in some ovens, in that case turn fan on you should have voltage (refer to tech sheet or service manual). If you do replace the fan motor assembly. If you do not the problem is elsewhere. If you have an automatic fan you will need to turn oven on and wait for fan cycle to start. When fan should have started you should have voltage if you do not check the thermostat that is connected to the fan. If you do have voltage and fan does not start replace the fan assembly.


Fan Thermostat
Some ovens have a thermostat mounted usually to the top of the oven. This thermostat is usually round metal and wired to the fan. This thermostat detects heat from the oven. When a certain amount of heat is detected it allows power to travel through it to run the fan. This thermostat should have continuity when the oven reaches a certain temperature if it never gets continuity the thermostat needs to be replace.

Main Control
The main control may have failed. If the fan motor and thermostat check good the control is at fault and need to be replaced.